Analysis
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max time kernel
111s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
27/09/2021, 08:03
Static task
static1
Behavioral task
behavioral1
Sample
#RS00HNAWZ1.js
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
#RS00HNAWZ1.js
Resource
win10v20210408
0 signatures
0 seconds
General
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Target
#RS00HNAWZ1.js
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Size
6KB
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MD5
63166917fe9a799888f57c5d5e687170
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SHA1
00ac624acb5674ccd82c15370b1295c270d4e1ec
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SHA256
c6dd7fd1f49c9bfdba8c03b92d856a086c4ba218a204daa35ebaee0a91ab6a9d
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SHA512
6cdabe9785bcc8efe34468a1260454f096589c400f743809df9da450a77f3bd96a10cca0021f1b04b8150855e0e1f9a639b31e8ace41d66e26c23d2e7e68cc84
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 2 856 wscript.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\#RS00HNAWZ1.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\#RS00HNAWZ1.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\G3VX00GAKU = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\#RS00HNAWZ1.js\"" wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1136 schtasks.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 856 wrote to memory of 1136 856 wscript.exe 68 PID 856 wrote to memory of 1136 856 wscript.exe 68
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\#RS00HNAWZ1.js1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:856 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\#RS00HNAWZ1.js2⤵
- Creates scheduled task(s)
PID:1136
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